.scroll-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  text-align: center;
  line-height: 50px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease;
}

.scroll-to-top:hover {
  background-color: #0056b3;
}

.scroll-to-top.show {
  display: block;
}